Specification Brand : Small Parts BulletPoint1 : Package Dimensions: 5.334 cms (L) x 2.54 cms (W) x 2.286 cms (H) BulletPoint2 : Product Type: Washers BulletPoint3 : Package Quantity: 1 BulletPoint4 : Country Of Origin: United States BulletPoint5 : Flat washer provides a bearing surface for fastener load distribution or acts as a spacer Color : Multiple colors ExteriorFinish : Stainless Steel ItemName : Te-Co 42665 Black Oxide 303 Stainless Steel Hardened Flat Washer, 1/2" Stud, 1-1/8" OD x 17/32" ID x 1/8" Thick (Pack of 5) ItemPackageDimensions_Height : 2.286 centimeters ItemPackageDimensions_Length : 5.334 centimeters ItemPackageDimensions_Width : 2.54 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : flat-washers Manufacturer : Te-Co Material : Stainless Steel 303 MetalType : Stainless Steel ModelNumber : 42665 NumberOfItems : 5 NumberOfPieces : 5 PartNumber : 42665 ProductDescription : 16mm Outer Dia 8.2mm Inner Dia 0.9mm Thickness Belleville Spring Washer 50pcs Surface Treatment: Add lubricating oil after phosphoric acid treatment. Features: Belleville springs can also be called disc springs,are conically formed annular discs, which are loaded in the axia_l direction. It offers a well-developed solution to many engineering problems through a unique combination of high force in a small space.It can be used as a single disc or arranged in stacks. Application: Belleville springs are widely used in mechanical products, such as press machine, artillery, aircraft and other heavy machinery,it can also be used as compression springs for automobile and tractor. Description in French 16mm Outer Dia 8.2mm Inner Dia 0.9mm Thickness Belleville Spring Washer 50pcs Product Name: Belleville Spring; Package Content: 50(+/-2%)pcs x Belleville Spring Main Color: Copper Tone; Material: 60Si2MnA Weight: 50g; Outer Diameter: 16mm / 0.63" Inner Diameter: 8.2mm / 0.32''; Thickness: 0.9mm / 0.035'' quality: DIN2093